When set to true, causes all threads (including the main program) to abort if an exception
is raised in thr. The process will effectively exit(0).
/*
* call-seq:
* thr.abort_on_exception= boolean => true or false
*
* When set to <code>true</code>, causes all threads (including the main
* program) to abort if an exception is raised in <i>thr</i>. The process will
* effectively <code>exit(0)</code>.
*/
static VALUE
rb_thread_abort_exc_set(thread, val)
VALUE thread, val;
{
rb_secure(4);
rb_thread_check(thread)->abort = RTEST(val);
return val;
}